/*
 * Copyright (C) 2022 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.hardware.media.c2;

import android.hardware.HardwareBuffer;
import android.hardware.common.NativeHandle;

/**
 * Storage type for `BaseBlock`.
 *
 * A `BaseBlock` is a representation of a codec memory block. Coded data,
 * decoded data, codec-specific data, and other codec-related data are all sent
 * in the form of BaseBlocks.
 */
@VintfStability
union BaseBlock {
    /**
     * #nativeBlock is the opaque representation of a buffer.
     */
    NativeHandle nativeBlock;
    /**
     * #hwbBlock is the opaque representation of a GraphicBuffer
     */
    HardwareBuffer hwbBlock;
    /**
     * #pooledBlock is a reference to a buffer handled by a BufferPool.
     */
    android.hardware.media.bufferpool2.BufferStatusMessage pooledBlock;
}
